The phone’s battery management IC sends a false over-temperature flag. The tool refuses to flash to prevent thermal damage.
For service centers: Keep a backup of the TE-bypassed loader (custom download agent) to automate this fix for multiple Y1S units. vivo y1s 2015 flash file dead hang logo 100 te hot
Published: Troubleshooting Guide for Service Centers & Advanced Users The phone’s battery management IC sends a false